About the Authors

Seungjae Baek

baeksj@kiost.ac.kr

Affiliation KIOST, Ansan, Gyeonggi, South Korea

Sangyeun Cho

Affiliation Samsung Electronics, Hwaseong, Gyeonggi, South Korea

Jongmoo Choi

Affiliation Dankook University, Yongin, Gyeonggi, South Korea

Competing Interests

We have the following interests: SC is employed by Samsung Electronics. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: SB. Data curation: JC. Formal analysis: SC. Funding acquisition: SB SC JC. Investigation: JC. Methodology: SC. Project administration: SC. Resources: SC. Software: SB. Supervision: SC JC. Validation: SB. Visualization: SB. Writing – original draft: SB. Writing – review & editing: SB.